<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>无标题文档</title>
        <script type="text/javascript" src="../angular.min.js"></script>
    </head>
    <body>
      <div ng-app="myApp">
          <div ng-controller="firstController">
              <input type="button" ng-value="text" ng-disabled="isDisabled">
              <input type="text" value="{{text}}" ng-readonly="isDisabled">
              <input type="checkbox" value="{{text}}" ng-checked="isDisabled">
          </div>
      </div>
      <script type="text/javascript">
        var app = angular.module('myApp',[]);
          app.controller('firstController',['$scope','$interval',function($scope,$interval){
              var iNow = 5;
              $scope.text = iNow+'秒';
              $scope.isDisabled = true;
              var timer = $interval(function(){
                  iNow--;
                  $scope.text = iNow+'秒';
                  if(iNow == 0){
                      $interval.cancel(timer);
                      $scope.text = '可以点击啦';
                      $scope.isDisabled = false;
                  }
              },1000);
          }]);
      </script>
    </body>
</html>